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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Horsham Water&sewer Authority

Chlorodifluoromethane (Freon 22) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.

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34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0463 ppb328ND - 0.383 ppb
20150.0835 ppb21ND - 0.167 ppb
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-24AE37775ND
2014-06-24AE37874ND
2014-06-24AE37778ND
2014-06-24AE37868ND
2014-06-24AE37769ND
2014-06-24AE378770.118 ppb
2014-06-24AE378710.0990 ppb
2014-06-24AE37772ND
2014-06-25AE38113ND
2014-06-25AE38116ND
2014-06-25AE38119ND
2014-06-25AE38110ND
2014-06-26AE38214ND
2014-06-26AE38211ND
2014-07-03AE392790.356 ppb
2014-07-24AE41843ND
2014-09-24AE497040.102 ppb
2014-09-24AE50038ND
2014-12-05AE59397ND
2014-12-08AE59488ND
2014-12-08AE594910.0880 ppb
2014-12-08AE59494ND
2014-12-09AE59784ND
2014-12-09AE59778ND
2014-12-09AE597810.142 ppb
2014-12-10AE59900ND
2014-12-10AE598970.195 ppb
2014-12-10AE59903ND
2014-12-12AE60077ND
2014-12-12AE600860.383 ppb
2014-12-12AE60080ND
2014-12-12AE60083ND
2015-03-19AE688170.167 ppb
2015-03-19AE68813ND